#342F9D#342F9D

#342F9D is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.9% C 0.171 H 276.9°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#342F9D
RGB	rgb(52, 47, 157)
HSL	hsl(243, 54%, 40%)
HSV	hsv(243, 70%, 62%)
CMYK	cmyk(66.9%, 70.1%, 0%, 38.4%)
CIE-LAB	lab(27.29, 37.15, -58.95)
CIE-LCH	lch(27.29, 69.68, 302.22°)
OKLab	oklab(38.89% 0.0205 -0.1702)
OKLCH	oklch(38.89% 0.171 276.9)
XYZ	xyz(8.5165, 5.1967, 32.4460)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342F9D #989D2F

analogous

#2F619D #342F9D #6B2F9D

triadic

#342F9D #9D342F #2F9D34

tetradic

#342F9D #9D2F61 #989D2F #2F9D6B

square

#342F9D #9D2F61 #989D2F #2F9D6B

split-complementary

#342F9D #9D6B2F #619D2F

monochromatic

#15133F #24216E #342F9D #4943C7 #7672D5

Accessibility & contrast

On white

10.30

#342F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#342F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342F9D

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342F9D	#FFFFFF	#000000	##FFFFFF
##342F9D	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A0

Deuteranopia (green-blind)

#003C9B

Tritanopia (blue-blind)

#004D62

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #342f9d;
/* rgb */ color: rgb(52, 47, 157);
/* oklch */ color: oklch(38.9% 0.171 276.9);

Tailwind

colors: {
  custom: {
    50: '#7a68bb',
    500: '#342f9d',
    950: '#000000',
  },
}

SCSS

$custom: #342f9d;
$custom-light: #7a68bb;
$custom-dark: #000000;

JSON

{
  "hex": "#342f9d",
  "rgb": {
    "r": 52,
    "g": 47,
    "b": 157
  },
  "hsl": {
    "h": 242.727,
    "s": 53.922,
    "l": 40
  },
  "oklch": {
    "l": 0.38885,
    "c": 0.17142,
    "h": 276.9
  },
  "luminance": 0.05197
}

Semantic roles & 50–950 ramp

primary

#342F9D

secondary

#B9BC6B

accent

#DD4BD7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #342F9D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →